Question
The monthly landline phone bills for all households in Victory City are normally distributed and have a mean of $85 and a standard deviation of
The monthly landline phone bills for all households in Victory City are normally distributed and have a mean of $85 and a standard deviation of $25. If there are 1600 households with landline phones in Victory City, how many of them have a landline phone bill between $50 and $90? Round your answer to a whole number.
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Calculus For Scientists And Engineers Early Transcendentals
Authors: William L Briggs, Bernard Gillett, Bill L Briggs, Lyle Cochran
1st Edition
0321849213, 9780321849212
